framework/extensions/emoji/less/forum.less

img.emoji {
  height: 1.5em;
  margin: 0 .1em;
  vertical-align: -0.3em;
}

.EmojiDropdown {
  max-width: 500px;
  max-height: 200px;
  overflow: visible;
  position: absolute;
  padding: 8px;

  > li {
    display: inline-block;

    > button {
      color: var(--text-color);
      font-weight: bold;
      padding: 8px;
      border-radius: var(--border-radius);
    }
  }

  > .Dropdown-header {
    display: block;
    color: var(--muted-more-color);
    text-transform: none;
    font-weight: normal;
    padding: 4px 8px;
    margin: 0 0 4px 0;
  }
}

.ComposerBody-emojiWrapper {
  position: relative;
}